According to the makers of Lysol, the product is not useful against scabies. Lysol Disinfectant Spray is advertised as being able to kill most viruses and bacteria. However, scabies is a skin infection caused by a tiny mite.
Scabies mites burrow under the skin and lay eggs. This causes a rash and severe itching. The condition spreads though direct and extended contact with an infected person. According to the Centers for Disease Control, scabies should be treated with a prescription medication designed to kill the mites. The itching usually stops within 2 to 4 weeks of treatment. The CDC does not recommend any over-the-counter treatment for the skin condition.
1 to 2 weeks it would seem for most people. Provided you do not get reinfected. It is highly recommeded that bedding and clothing be BOILED during your ivermectin treatment.